I have done everything in every post to get ride of the warning. My phone has never been in water (note9). Reset, cleared cache, stop Andorid System, plug in charger then turn phone on (this actually worked), and I finally said, Im going to dunk my phone in water. Held the port under the faucet for 15 seconds. Still warning, but when i woke up today, NO MOISTURE WARNING. Cross fingers this holds but it has been on for about three months. I can now plug in anywhere! I hope this works for ya!
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